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FR3019584B1 - SYSTEM FOR VENTILATION OF A TURBINE USING CROSSING ORIFICES AND LUNULES - Google Patents

SYSTEM FOR VENTILATION OF A TURBINE USING CROSSING ORIFICES AND LUNULES Download PDF

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Publication number
FR3019584B1
FR3019584B1 FR1453062A FR1453062A FR3019584B1 FR 3019584 B1 FR3019584 B1 FR 3019584B1 FR 1453062 A FR1453062 A FR 1453062A FR 1453062 A FR1453062 A FR 1453062A FR 3019584 B1 FR3019584 B1 FR 3019584B1
Authority
FR
France
Prior art keywords
lunules
ventilation
turbine
upstream
downstream
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1453062A
Other languages
French (fr)
Other versions
FR3019584A1 (en
Inventor
Rene Henri Weller Lionel
Sylvie Devaux
Ludovic Gallego
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
Safran Aircraft Engines SAS
SNECMA SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Safran Aircraft Engines SAS, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1453062A priority Critical patent/FR3019584B1/en
Publication of FR3019584A1 publication Critical patent/FR3019584A1/en
Application granted granted Critical
Publication of FR3019584B1 publication Critical patent/FR3019584B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
    • F01D5/088—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor in a closed cavity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

L'invention concerne un rotor (3), comprenant : - un premier et un deuxième disque (30), comprenant chacun un bras amont (36) et un bras aval (38), - un anneau d'étanchéité (40) comprenant une bride radiale (44), et - un système de ventilation, comprenant : * des orifices traversants (46), formés dans la bride radiale (44), * des lunules amont (48), et * des lunules aval (50), les orifices traversants (46), les lunules amont (48) et les lunules aval (50) formant ensemble des canaux de circulation d'un flux (F) d'air pressurisé dans le rotor (3).The invention relates to a rotor (3), comprising: - a first and a second disk (30), each comprising an upstream arm (36) and a downstream arm (38), - a sealing ring (40) comprising a radial flange (44), and - a ventilation system, comprising: * through holes (46), formed in the radial flange (44), * upstream lunules (48), and * downstream lunules (50), orifices (46), the upstream lunules (48) and the downstream lunules (50) together forming channels for circulating a flow (F) of pressurized air in the rotor (3).

FR1453062A 2014-04-07 2014-04-07 SYSTEM FOR VENTILATION OF A TURBINE USING CROSSING ORIFICES AND LUNULES Active FR3019584B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1453062A FR3019584B1 (en) 2014-04-07 2014-04-07 SYSTEM FOR VENTILATION OF A TURBINE USING CROSSING ORIFICES AND LUNULES

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1453062A FR3019584B1 (en) 2014-04-07 2014-04-07 SYSTEM FOR VENTILATION OF A TURBINE USING CROSSING ORIFICES AND LUNULES
FR1453062 2014-04-07

Publications (2)

Publication Number Publication Date
FR3019584A1 FR3019584A1 (en) 2015-10-09
FR3019584B1 true FR3019584B1 (en) 2019-05-17

Family

ID=51352544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1453062A Active FR3019584B1 (en) 2014-04-07 2014-04-07 SYSTEM FOR VENTILATION OF A TURBINE USING CROSSING ORIFICES AND LUNULES

Country Status (1)

Country Link
FR (1) FR3019584B1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3048998B1 (en) 2016-03-16 2019-12-13 Safran Aircraft Engines TURBINE ROTOR COMPRISING A VENTILATION SPACER
FR3055654B1 (en) 2016-09-08 2019-11-08 Safran Aircraft Engines TURBINE ROTOR WITH AIR SEPARATION VIROLES FOR COOLING BLADE AND DISK COUPLING PARTS FOR A TURBOMACHINE
FR3062414B1 (en) * 2017-02-02 2021-01-01 Safran Aircraft Engines MOVABLE RING DRILLING OPTIMIZATION
FR3062415B1 (en) 2017-02-02 2019-06-07 Safran Aircraft Engines ROTOR OF TURBINE TURBINE ENGINE WITH VENTILATION BY LAMINATION
FR3075869B1 (en) * 2017-12-21 2020-01-10 Safran Aircraft Engines MOBILE TURBINE WHEEL FOR AN AIRCRAFT TURBOMACHINE, COMPRISING A SEALING RING RETAINED RADIALLY BY GROWTH ON THE BLADE SQUAD
FR3077327B1 (en) * 2018-01-30 2020-02-21 Safran Aircraft Engines TURBOMACHINE TURBINE ASSEMBLY COMPRISING A MOBILE SEAL
FR3101374B1 (en) 2019-09-30 2021-09-17 Safran Aircraft Engines Cooling structure of a turbine with radial cooperation between sealing ring and moving wheel disc
FR3107924B1 (en) 2020-03-04 2022-12-23 Safran Aircraft Engines Movable ring for a turbomachine turbine, comprising an axial bearing end provided with differential cooling grooves
FR3108361B1 (en) 2020-03-19 2023-05-12 Safran Aircraft Engines TURBINE WHEEL FOR AN AIRCRAFT TURBOMACHINE
FR3108938B1 (en) 2020-04-02 2022-03-04 Safran Aircraft Engines Sealing ring for a turbomachine turbine rotor
FR3109441B1 (en) 2020-04-20 2022-07-15 Safran Aircraft Engines METHOD AND DEVICE FOR CONTROLLING THE TIGHTENING TENSION OF A BOLT FOR FIXING AERONAUTICAL PARTS
FR3111657B1 (en) * 2020-06-18 2022-06-03 Safran Aircraft Engines Turbomachine turbine rotor fitted with a cooling circuit.
FR3111942A1 (en) * 2020-06-24 2021-12-31 Safran Aircraft Engines LOW PRESSURE TURBINE ROTOR ASSEMBLY OF A TURBOMACHINE
FR3113091B1 (en) 2020-07-30 2022-06-24 Safran Aircraft Engines Assembly for an aircraft turbomachine turbine, comprising a blade retaining ring held by a nozzle of the turbine
FR3117531B1 (en) * 2020-12-11 2022-11-04 Safran Aircraft Engines Impeller assembly
FR3120092A1 (en) 2021-02-24 2022-08-26 Safran Aircraft Engines Impeller sealing ring
FR3149928A1 (en) * 2023-06-13 2024-12-20 Safran Aircraft Engines Turbine wheel for turbomachine and wheel assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2825748B1 (en) * 2001-06-07 2003-11-07 Snecma Moteurs TURBOMACHINE ROTOR ARRANGEMENT WITH TWO BLADE DISCS SEPARATED BY A SPACER
FR2867223B1 (en) * 2004-03-03 2006-07-28 Snecma Moteurs TURBOMACHINE AS FOR EXAMPLE A TURBOJET AIRCRAFT
US7870742B2 (en) * 2006-11-10 2011-01-18 General Electric Company Interstage cooled turbine engine
FR2948726B1 (en) * 2009-07-31 2013-07-05 Snecma AUBES WHEEL COMPRISING IMPROVED COOLING MEANS
FR2954797B1 (en) * 2009-12-29 2016-03-18 Snecma LOW PRESSURE TURBINE ROTOR HAVING A REAR VENTILATION ARRANGEMENT TO THE FRONT OF AN ARROW DISC, AND TURBOMACHINE EQUIPPED WITH SUCH A ROTOR

Also Published As

Publication number Publication date
FR3019584A1 (en) 2015-10-09

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